$CATEGORY: Science - Khan Academy/9.Light-Reflection and Refraction/9.Light-Reflection and Refraction--Spherical Mirrors

//Multiple Choice

Which of the following is an application of concave mirrors? {
    ~Rearview mirrors in vehicles
    =Shaving mirrors
    ~Microscope lenses
    ~None of the above
}

Which of the following is an example where a concave mirror is used to focus light rays? {
    ~Headlights of a car
    ~Projector lens
    =Solar furnace
    ~None of the above
}

In which device is a concave mirror used to provide a real, inverted, and magnified image? {
    ~Rearview mirror
    ~Dental mirror
    =Telescope
    ~None of the above
}

Concave mirrors are commonly used in which of the following medical instruments? {
    ~X-ray machines
    ~Stethoscopes
    =Dental mirrors
    ~None of the above
}

Which of the following is a characteristic of the image formed by a concave mirror used in solar cookers? {
    ~The image is real and diminished
    ~The image is real and magnified
    =Light is concentrated at a single point
    ~None of the above
}

//True or False

Concave mirrors are used in solar cookers to concentrate sunlight at a single point. {T}

The image formed by a concave mirror is always real and inverted, regardless of the object's position. {F}

Dentists use concave mirrors to view magnified images of teeth. {T}

Concave mirrors are used in rearview mirrors in vehicles. {F}

Concave mirrors can be used in headlights of vehicles to produce parallel beams of light. {T}

Concave mirrors form a diminished image when the object is placed between the pole and focus. {F}

Shaving mirrors use concave mirrors to produce a virtual, upright, and magnified image of the face. {T}

Concave mirrors are used in ophthalmoscopes to examine the eye. {T}


//******** END **********